2.Math Centers: Take It to Your Seat, Grades 4-6 by Wes Tuttle (2002)"The green product cards are stacked in a pile, facedown, between the two players.
The top card is turned faceup. The purple factor cards are stacked in a ..."

3.How to Do Science Experiments with Children by Joan Bentley (2003)"... Observations At the same time, gently place one newspaper man facedown in the
pan of plain water and the other man facedown in the pan of soapy water. ..."

4.Basic Math Skills, Grade 3 by Jo Ellen Moore (2003)"Put them facedown on your desk. Mix up the cards. Pick one and record the shape.
Return it to your desk facedown, mix again, and pick another card. ..."

5.Basic Math Skills, Grade 2 by Jo Ellen Moore (2003)"Put them facedown on your desk. Mix up the letters. Pick one and record the letter.
... desk facedown, mix again, and pick a card. Do this 10 times. 1. ..."

6.All about the Weather by Deborah Ellermeyer (2005)"For a challenge, play this game like Concentration: • Children place all of the
cards facedown on a flat surface. • Then they mix up the cards. ..."

7.All about the Ocean: Prek-K by Jo Ellen Moore (2005)"Once all the cards have been matched, children mix up the cards, turn the cards
facedown, and then choose two cards to turn over. If the cards match, ..."